question on USBLC6 and data lines

[deshtroy]

any reason why the the d- and d+ was connected to pin 4 and 6 of USBLC6 instead of 1 and 3. also why is it and routed directly to the 22 resistors? totally curious as to why this

[FateNozomi]

Both 1/3 and 4/6 pairs are interchangeable, the reason why we omit passing the lines through the USBLC6 is so that the PCB still works without that particular component. The 22 ohm resistors are required based on the atmega32u4 microcontroller datasheet.

[deshtroy]

thanks for the explanation. i also found out that pin 1/3 can lead to failure where there can be voltage drops while leaving pins 456 open. so connecting directly to 4/6 can mitigate this while ensuring pcb will still work correctly even on component failure, totally going to consider this in my next project. thanks again.